/* ============ VARIABLES (rangi na vipimo) ============ */
:root {
    --bg: #0b130e;
    --surface: #131f17;
    --text: #f1f5f2;
    --muted: #9bb0a2;
    --accent: #22c55e;
    --accent-2: #a3e635;
    --accent-rgb: 34, 197, 94;
    --radius: 20px;
}

/* ============ RESET ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-2);
    outline-offset: 3px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: "Poppins", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}
/* ============ HERO ============ */
.hero {
    padding: 80px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 50px;
}

.eyebrow {
    color: var(--accent-2);
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.hero-text h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    line-height: 1.15;
    margin: 12px 0 20px;
}

.hero-text h1 span {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-desc {
    color: var(--muted);
    font-size: 1.1rem;
    max-width: 480px;
    margin-top: 0px;
}

/* ============ PICHA YAKO ============ */
.image-frame {
    position: relative;
    width: 100%;
    max-width: 380px;
    aspect-ratio: 1 / 1;
    margin-left: auto;
    border-radius: 50%;
    padding: 6px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 20px 60px rgba(var(--accent-rgb), 0.35);
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 50%;
    border: 6px solid var(--bg);
}
/* ============ NAVBAR ============ */

/* ============ KITUFE CHA LUGHA ============ */


.lang-btn:hover {
    background: var(--accent);
    color: #0b130e;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    color: var(--muted);
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--text);
}
/* ============ SIMU NA TABLET ============ */

/* ============ SECTIONS ZA JUMLA ============ */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.about-text {
    color: var(--muted);
    max-width: 700px;
    font-size: 1.1rem;
}

/* ============ STATS ============ */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat {
    background: var(--surface);
    border: 1px solid rgba(var(--accent-rgb), 0.25);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    color: var(--accent);
}

.stat p {
    color: var(--muted);
}

/* ============ CARDS ZA SKILLS ============ */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
    text-align: center;
}

.card {
    background: var(--surface);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    border-radius: var(--radius);
    padding: 32px 24px;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 15px 40px rgba(var(--accent-rgb), 0.2);
}

.card-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.card h3 {
    margin-bottom: 8px;
}

.card p {
    color: var(--muted);
}
@media (max-width: 800px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-desc {
        margin: 0 auto;
    }

    .hero-image {
        order: -1; /* picha inatangulia juu */
    }

    .image-frame {
        margin: 0 auto;
        max-width: 260px;
    }

    .hero-text h1 {
        font-size: 2.3rem;
    }

}

/* ============ NAVBAR ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 14px 0;
    background: rgba(11, 19, 14, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav-wrap {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px 10px 24px;
    border-radius: 50px;
    border: 1px solid rgba(var(--accent-rgb), 0.4);
    background: var(--surface);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ============ VITUFE ============ */
.hero-buttons {
    display: flex;
    gap: 16px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: #0b130e;
    box-shadow: 0 10px 30px rgba(var(--accent-rgb), 0.3);
}

.btn-outline {
    border: 2px solid var(--accent);
    color: var(--text);
}

.btn-outline:hover {
    background: rgba(var(--accent-rgb), 0.15);
}

/* Kitufe cha "Let's talk" kwenye navbar (kidogo kuliko vya hero) */
.nav-cta {
    padding: 9px 20px;
    font-size: 0.9rem;
    box-shadow: none;
}

/* ============ KITUFE CHA LUGHA ============ */
.lang-btn {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--accent);
    border-radius: 50px;
    padding: 6px 14px;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}

.lang-btn:hover {
    background: var(--accent);
    color: #0b130e;
}

/* ============ HAMBURGER ============ */
.menu-btn {
    display: none; /* inafichwa kwenye desktop */
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 9px;
    background: transparent;
    border: 2px solid var(--accent);
    border-radius: 12px;
    cursor: pointer;
}

.menu-btn span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-cta-mobile {
    display: none;
}

/* ============ TABLET NA SIMU (menyu ya hamburger) ============ */
@media (max-width: 900px) {
    .nav-wrap {
        padding: 10px 12px 10px 20px;
        border-radius: 30px;
    }

    .menu-btn {
        display: flex;
    }

    .nav {
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        background: var(--surface);
        border: 1px solid rgba(var(--accent-rgb), 0.4);
        border-radius: 24px;
        padding: 12px 20px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
    }

    .nav.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
    }

    .nav-links li a {
        display: block;
        padding: 14px 4px;
        border-bottom: 1px solid rgba(var(--accent-rgb), 0.15);
    }

    .nav-links li:nth-last-child(2) a {
    border-bottom: none;
}
}

/* ============ SIMU NDOGO: "Let's talk" inahamia ndani ya menyu ============ */
@media (max-width: 600px) {
    .nav-cta {
        display: none;
    }

    .nav-cta-mobile {
        display: block;
    }

    .nav-links li.nav-cta-mobile a {
        text-align: center;
        color: #0b130e;
        border-bottom: none;
        padding: 12px;
        margin: 10px 0 4px;
    }
}

/* ============ HERO, STATS NA CARDS KWENYE SIMU ============ */
@media (max-width: 800px) {
    .hero {
        padding: 40px 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-desc {
        margin: 0 auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .image-frame {
        margin: 0 auto;
        max-width: 260px;
    }

    .stats,
    .cards {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    h1, h2, h3 {
        overflow-wrap: break-word;
        hyphens: auto;
    }

        .btn {
        padding: 12px 22px;
        font-size: 0.95rem;
    }
}